Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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Pluto is smaller than Russia.
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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